Adding upstream version 1.4.34+dfsg.upstream/1.4.34+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 144 insertions, 0 deletions

diff --git a/src/remmina_widget_pool.c b/src/remmina_widget_pool.c
new file mode 100644
index 0000000..53c32a0
--- /dev/null
+++ b/src/remmina_widget_pool.c
@@ -0,0 +1,144 @@
+/*
+ * Remmina - The GTK+ Remote Desktop Client
+ * Copyright (C) 2009 - Vic Lee
+ * Copyright (C) 2014-2015 Antenore Gatta, Fabio Castelli, Giovanni Panozzo
+ * Copyright (C) 2016-2023 Antenore Gatta, Giovanni Panozzo
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of portions of this program with the
+ *  OpenSSL library under certain conditions as described in each
+ *  individual source file, and distribute linked combinations
+ *  including the two.
+ *  You must obey the GNU General Public License in all respects
+ *  for all of the code used other than OpenSSL. *  If you modify
+ *  file(s) with this exception, you may extend this exception to your
+ *  version of the file(s), but you are not obligated to do so. *  If you
+ *  do not wish to do so, delete this exception statement from your
+ *  version. *  If you delete this exception statement from all source
+ *  files in the program, then also delete it here.
+ *
+ */
+
+#include <gmodule.h>
+#include "remmina_public.h"
+#include "remmina_widget_pool.h"
+#include "remmina/remmina_trace_calls.h"
+
+static GPtrArray *remmina_widget_pool = NULL;
+
+void remmina_widget_pool_init(void)
+{
+	TRACE_CALL(__func__);
+	remmina_widget_pool = g_ptr_array_new();
+}
+
+static void remmina_widget_pool_on_widget_destroy(GtkWidget *widget, gpointer data)
+{
+	TRACE_CALL(__func__);
+	g_ptr_array_remove(remmina_widget_pool, widget);
+}
+
+void remmina_widget_pool_register(GtkWidget *widget)
+{
+	TRACE_CALL(__func__);
+	g_ptr_array_add(remmina_widget_pool, widget);
+	g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(remmina_widget_pool_on_widget_destroy), NULL);
+}
+
+GtkWidget*
+remmina_widget_pool_find(GType type, const gchar *tag)
+{
+	TRACE_CALL(__func__);
+	GtkWidget *widget;
+	gint i;
+
+	if (remmina_widget_pool == NULL)
+		return NULL;
+
+	for (i = 0; i < remmina_widget_pool->len; i++) {
+		widget = GTK_WIDGET(g_ptr_array_index(remmina_widget_pool, i));
+		if (!G_TYPE_CHECK_INSTANCE_TYPE(widget, type))
+			continue;
+		if (tag && g_strcmp0((const gchar*)g_object_get_data(G_OBJECT(widget), "tag"), tag) != 0)
+			continue;
+		return widget;
+	}
+	return NULL;
+}
+
+GtkWidget*
+remmina_widget_pool_find_by_window(GType type, GdkWindow *window)
+{
+	TRACE_CALL(__func__);
+	GtkWidget *widget;
+	gint i;
+	GdkWindow *parent;
+
+	if (window == NULL || remmina_widget_pool == NULL)
+		return NULL;
+
+	for (i = 0; i < remmina_widget_pool->len; i++) {
+		widget = GTK_WIDGET(g_ptr_array_index(remmina_widget_pool, i));
+		if (!G_TYPE_CHECK_INSTANCE_TYPE(widget, type))
+			continue;
+		/* gdk_window_get_toplevel won’t work here, if the window is an embedded client. So we iterate the window tree */
+		for (parent = window; parent && parent != GDK_WINDOW_ROOT; parent = gdk_window_get_parent(parent)) {
+			if (gtk_widget_get_window(widget) == parent)
+				return widget;
+		}
+	}
+	return NULL;
+}
+
+gint remmina_widget_pool_foreach(RemminaWidgetPoolForEachFunc callback, gpointer data)
+{
+	TRACE_CALL(__func__);
+	GtkWidget *widget;
+	gint i;
+	gint n = 0;
+	GPtrArray *wpcpy = NULL;
+
+	if (remmina_widget_pool == NULL)
+		return 0;
+
+	/* Make a copy of remmina_widget_pool, so we can survive when callback()
+	 * remove an element from remmina_widget_pool */
+
+	wpcpy = g_ptr_array_sized_new(remmina_widget_pool->len);
+
+	for (i = 0; i < remmina_widget_pool->len; i++)
+		g_ptr_array_add(wpcpy, g_ptr_array_index(remmina_widget_pool, i));
+
+	/* Scan the remmina_widget_pool and call callbac() on every element */
+	for (i = 0; i < wpcpy->len; i++) {
+		widget = GTK_WIDGET(g_ptr_array_index(wpcpy, i));
+		if (callback(widget, data))
+			n++;
+	}
+
+	/* Free the copy */
+	g_ptr_array_unref(wpcpy);
+	return n;
+}
+
+gint remmina_widget_pool_count()
+{
+	TRACE_CALL(__func__);
+	return remmina_widget_pool->len;
+}
+